commit 0de748d833bef8e08329ef1abb9b681391e34ac8
author yuemingw <yuemingw@google.com> Wed Nov 15 19:22:27 2017 +0000
committer Yueming Wang <yuemingw@google.com> Mon Dec 04 21:56:46 2017 +0000
tree 6d47c3373ced842bf670065192e7e41e72c49c4d
parent 5826e469e9d03eaa5511d413733edde0a1b99048

Implement DevicePolicyManager.setSystemSettings.

b/67627818
Bug: 67627818
Test: runtest -x services/tests/servicestests/src/
com/android/server/devicepolicy/DevicePolicyManagerTest.java

design doc: https://docs.google.com/document/d/
1rvEg5jE3lMhjH-OA0iTLBUY2opM96fg7BrP81MoPnmg/edit#

Change-Id: If5f5c280957085480872f2d59ed59309cf288145

services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java

diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
index 6de3395..ca918c6 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
@@ -3090,6 +3090,27 @@
         assertEquals(-1, dpm.getLastSecurityLogRetrievalTime());
     }
 
+    public void testSetSystemSettingFailWithNonWhitelistedSettings() throws Exception {
+        mContext.binder.callingUid = DpmMockContext.CALLER_SYSTEM_USER_UID;
+        setupDeviceOwner();
+        assertExpectException(SecurityException.class, null, () ->
+                dpm.setSystemSetting(admin1, Settings.System.SCREEN_BRIGHTNESS_FOR_VR, "0"));
+    }
+
+    public void testSetSystemSettingFailWithPO() throws Exception {
+        setupProfileOwner();
+        assertExpectException(SecurityException.class, null, () ->
+                dpm.setSystemSetting(admin1, Settings.System.SCREEN_BRIGHTNESS, "0"));
+    }
+
+    public void testSetSystemSetting() throws Exception {
+        mContext.binder.callingUid = DpmMockContext.CALLER_SYSTEM_USER_UID;
+        setupDeviceOwner();
+        dpm.setSystemSetting(admin1, Settings.System.SCREEN_BRIGHTNESS, "0");
+        verify(getServices().settings).settingsSystemPutString(
+                Settings.System.SCREEN_BRIGHTNESS, "0");
+    }
+
     public void testSetTime() throws Exception {
         mContext.binder.callingUid = DpmMockContext.CALLER_SYSTEM_USER_UID;
         setupDeviceOwner();